Chemistry - Complete P-block Question with Solution | TestHub

The action of thionyl chloride with white phosphorus produces phosphorus trichloride, sulphur dioxide and sulphur monochloride.

${\mathrm{P}}_4+8{\mathrm{SOCl}}_2\to 4{\mathrm{PCl}}_3+4{\mathrm{SO}}_2+2{ \mathrm{S}}_2{\mathrm{Cl}}_2$

PCl₃ has a pyramidal shape,in which phosphorus is sp ³ hybridised.